CyberSource added support for token management services and American Express Cardrefresher for Account Updater. For details, see Account Updater.
The Payer Authentication guides now include an implementation chapter for merchants currently using Payer Authentication who want to upgrade to 3D Secure 2.1. For details, see Payer Authentication Using the Simple Order API or Payer Authentication Using the SCMP API.
Versions 1.152 and 1.153 of the Simple Order API have been released. For information about what has changed, see the Simple Order API Release Notes.